/*
 * Copyright (c) 2006, 2021, webrx.cn All rights reserved.
 *
 */
package org.beiyou;

import static java.lang.Math.*;

/**
 * <p>Project: javase - T
 * <p>Powered by webrx On 2021-12-01 14:14:57
 *
 * @author webrx [webrx@126.com]
 * @version 1.0
 * @since 17
 */
public class T {
    public static void main(String[] args) {
        int i = 3;

        Integer n = i; //装箱

        int c = n;//拆箱

        System.out.println(PI);
        System.out.println(random());
        System.out.println(round(6.5));

    }
}
